/*
    Copyright (c) <year>, <copyright holder>
    All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:
        * Redistributions of source code must retain the above copyright
        notice, this list of conditions and the following disclaimer.
        * Redistributions in binary form must reproduce the above copyright
        notice, this list of conditions and the following disclaimer in the
        documentation and/or other materials provided with the distribution.
        * Neither the name of the <organization> nor the
        names of its contributors may be used to endorse or promote products
        derived from this software without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY <copyright holder> ''AS IS'' AND ANY
    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

#ifndef DATASET_H
#define DATASET_H

#include <iostream>
#include <string>
#include <vector>
#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <assert.h>

static const int VERBOSE = 2;
static const std::string PATH_BASE = "/media/data/base";

typedef struct path
{
  std::string root;
  std::string images;
  std::string features;
  std::string codebook;
  std::string classifier;
} Paths;

typedef struct datasetparams
{
  unsigned int num_img;
  unsigned int num_cls;
  Paths paths;
} DataSetParams;

typedef struct classifparams
{
  unsigned int num_tr;
  unsigned int num_ts;
  unsigned int num_cv;
} ClassifParams;

typedef struct imgparams
{
  unsigned int max_image_size;
} ImageParams;


typedef struct siftparams
{
  unsigned int grid_spacing;
  unsigned int patch_size;
  unsigned int bin_size;
  unsigned int num_scales;
  float scale_step;
  std::vector<unsigned int> bin_size_range;
} SIFTParams;

class DataSet
{
  public:
	
    DataSet () {}
    
    virtual ~DataSet () {}

	virtual void setParams () = 0;
	
 	virtual int setListClasses () = 0;
	std::vector<std::string> getListClasses () const { return m_cls_names; }
	
	virtual int setListImages ( const std::string ext = "jpg") = 0;

	virtual bool isValid () {return 1;}
	
  protected:
    std::string 	m_name;
	unsigned int 	m_num_scales;
	std::vector<std::string> m_img_files;
	std::vector<unsigned int> m_img_classes;
	std::vector<std::string> m_cls_names;
	
	DataSetParams 	m_dataset_params;
	ImageParams 	m_img_params;
	SIFTParams 		m_sift_params;
	ClassifParams 	m_classif_params;

	
};


	


#endif // DATASET_H
